Fumed Silica is composed of submicron-sized spheres&comma; which are 40-60&percnt; fused into short chains&comma; very highly branched&comma;0&period;1-0&period;2microns long&period; The spheres are quite uniform in size for a given product&comma; but the chain lengths are quite variable&comma;10 to 30 units in length&period; The surface area&comma; which varies with the particle size&comma; gives a good approximation if the sphere diameter&period; The smaller the particles&comma; the larger the estimated surface area&period; fumed silicon dioxide is a hydrophilic fumed Silica with specific surface area of 150m2&sol;g&comma; and it synthetic&comma; hydrophilic&comma; amorphous silica&comma; produced via flame hydrolysis&period; Particle between 7~40nm&period; Along with the traditional polyester&comma; silicone&comma; paints and coatings applications&comma; fumed silicon dioxide are used with increasing success in high technology fields&period; The particle nature and high purity of fumed silica play key roles in the electronics and optical fibers industries&period; 1&period; Superfine and nanometer&comma; the smallest particle size&period; 2&period; White&comma; Non-toxic&comma; Tasteless&comma; Unformed&period; 3&period; Excellent performance in reinforcement&comma;thickening&comma; thixotropy and extinction&period; 4&period; High decentrality&comma; anti-temperatrue-changed&comma;Uvioresistant Packaging & Shipping Our Factory Certificates

Type

Appearance

Specific surface area&lpar;BET&rpar;

PH-value

Loss on heating

Loss on ignition

Sieve residue

SiO2 content

Tamped density

Carbon content

Al2O3 mass fraction

TiO2 mass fraction

Fe2O3 mass fraction

Chloride content

m2&sol;g

Wt&percnt;

Wt&percnt;

&lpar;45μm&rpar;

Wt&percnt;

g&sol;L

Wt&percnt;

mg&sol;kg

mg&sol;kg

mg&sol;kg

mg&sol;kg

SS-150

Fluffy white powder

150±15

3&period;6-4&period;5

<1&period;0

<1&period;5

<0&period;03

>99&period;8

25-60

<0&period;2

≤500

≤300

≤30

SS-200

200±30

3&period;7-4&period;5

≤1&period;5

≤2&period;0

≤250

>99&period;8

≤50

≤2&period;0

≤400

≤200

≤30

≤250

SS-300

300±30

3&period;7-4&period;5

≤2&period;0

≤2&period;0

≤250

>99&period;8

≤50

≤2&period;0

≤400

≤200

≤30

≤250

SS-380

380±30

3&period;7-4&period;5

≤2&period;0

≤2&period;0

≤250

>99&period;8

≤50

≤2&period;0

≤400

≤200

≤30

≤250

Package

Packed in multiple layer kraft paper 10kg bags on pallet&comma; and should be stored in the original packaging in dry storage areas for protecting the material from volatile substance&period;